Abode Reader is a good choice for reading ebooks and documentation online on ubuntu.

To install Adobe Reader,go to this page and select an operating system and click on continue to choose your version to download.Navigate to the file you downloaded and double click to start installation.

For 64-bit users,you can refer to Medibuntu,follow al l the instructions and acroread will then be in synaptic,then you can install mozilla-acroread at System–>Administration–>Synaptic Package Manager ,type mozilla-acroread in search box and mark to apply change.


After installation,run Adobe Reader at Applications–>office–>Adobe Reader.